/**
 * Copyright 1996-2014 FoxBPM ORG.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * @author kenshin
 * @author ych
 */
package org.foxbpm.engine.impl.cmd;

import org.foxbpm.engine.impl.Context;
import org.foxbpm.engine.impl.interceptor.Command;
import org.foxbpm.engine.impl.interceptor.CommandContext;
import org.foxbpm.engine.impl.util.ExceptionUtil;
import org.foxbpm.engine.repository.ProcessDefinition;

/**
 *  根据流程定义 key和version查询流程定义，走缓存体系
 * @author ych
 *
 */
public class GetProcessDefinitionByKeyAndVersionCmd implements Command<ProcessDefinition>{

	private int version = -1;
	private String processKey;
	public GetProcessDefinitionByKeyAndVersionCmd(String processKey,int version) {
		this.processKey = processKey;
		this.version = version;
	}
	
	 
	public ProcessDefinition execute(CommandContext commandContext) {
		if(processKey == null){
			throw ExceptionUtil.getException("10601100");
		}
		if(version == -1){
			throw ExceptionUtil.getException("10601102");
		}
		return Context.getProcessEngineConfiguration().getDeploymentManager().findDeployedProcessDefinitionByKeyAndVersion(processKey, version);
	}
	
}
